How can I solve this second order equation?
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if f=60 and k=0.105with plot the relationship between qf and fo?See the image
답변 (2개)
AMIT POTE
2022년 6월 29일
Hi Shada,
Seecond order differential equations can be solved using dsolve() or ode45() function. You can go through the following documentation for better understanding
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Sam Chak
2022년 6월 29일
편집: Sam Chak
2022년 6월 29일
It is impossible to solve the given equation because it is not a differential equation to begin with
Fo^2_(2*f*k)/Qf*(pi-2*k*f)*fo-f^2=0
There are Fo, f, k, Qf, pi, and another fo, with Fo, Qf, and fo are unknowns.
Furthermore, the underscore symbol in Fo^2_ is not intelligible from the mathematical notation perspective.
Sam Chak
2022년 6월 29일
This is not exactly the equation given, but it should give you the idea of ''visualizing' the relationship between Fo and Qf.
f = 60;
k = 0.105;
fimplicit(@(Fo, Qf) (Fo.^2) + (2*f*k)./Qf*(pi-2*k*f).*Fo - f^2, [-0.1 0.1 -4e-3 4e-3])
grid on
xlabel('Fo')
ylabel('Qf')
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